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drivers/misc/lkdtm.c: fix missing allocation failure check

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Addresses https://bugzilla.kernel.org/show_bug.cgi?id=44691

Reported-by: <rucsoftsec@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox 2012-07-30 14:43:24 -07:00 committed by Linus Torvalds
parent e04f228335
commit 086ff4b3a7
1 changed files with 2 additions and 0 deletions
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2
drivers/misc/lkdtm.c
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@ -477,6 +477,8 @@ static ssize_t lkdtm_debugfs_read(struct file *f, char __user *user_buf,
int i, n, out;
buf = (char *)__get_free_page(GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
n = snprintf(buf, PAGE_SIZE, "Available crash types:\n");
for (i = 0; i < ARRAY_SIZE(cp_type); i++)